@Test fun timeoutValidRange() {
    val builder = OkHttpClient.Builder()
    try {
      builder.callTimeout(Duration.ofNanos(1))
    } catch (ignored: IllegalArgumentException) {
    }
    try {
      builder.connectTimeout(Duration.ofNanos(1))
    } catch (ignored: IllegalArgumentException) {
    }
    try {
      builder.writeTimeout(Duration.ofNanos(1))
    } catch (ignored: IllegalArgumentException) {
    }
    try {

      listOf()
    }
  }

  @Throws(IOException::class)
  open fun connectSocket(
    socket: Socket,
    address: InetSocketAddress,
    connectTimeout: Int,
  ) {
    socket.connect(address, connectTimeout)
  }

  open fun log(
    message: String,
    level: Int = INFO,
    t: Throwable? = null,
  ) {
    val logLevel = if (level == WARN) Level.WARNING else Level.INFO

    server.close()

    client =
      client
        .newBuilder()
        .proxySelector(proxySelector)
        .readTimeout(Duration.ofMillis(100))
        .connectTimeout(Duration.ofMillis(100))
        .build()

    val request = Request(server.url("/"))
    assertFailsWith<IOException> {
      client.newCall(request).execute()
    }.also { expected ->

      listOf(
        localhostIpv4,
        localhostIpv6,
      )

    client =
      clientTestRule
        .newClientBuilder()
        .eventListenerFactory(clientTestRule.wrap(listener))
        .connectTimeout(60, TimeUnit.SECONDS) // Deliberately exacerbate slow fallbacks.
        .dns { dnsResults }
        .fastFallback(true)
        .build()
    url =
      serverIpv4
        .url("/")
        .newBuilder()

    builder = builder.callTimeout(0L, TimeUnit.SECONDS)
    builder = builder.callTimeout(Duration.ofSeconds(0L))
    builder = builder.connectTimeout(0L, TimeUnit.SECONDS)
    builder = builder.connectTimeout(Duration.ofSeconds(0L))
    builder = builder.readTimeout(0L, TimeUnit.SECONDS)
    builder = builder.readTimeout(Duration.ofSeconds(0L))
    builder = builder.writeTimeout(0L, TimeUnit.SECONDS)

      Request
        .Builder()
        .url(server.url("/"))
        .build()
    val response = client.newCall(request).execute()
    response.body.close()
  }

  @Test
  fun connectTimeout() {
    val interceptor1 =
      Interceptor { chainA: Interceptor.Chain ->
        assertThat(chainA.connectTimeoutMillis()).isEqualTo(5000)
        val chainB = chainA.withConnectTimeout(100, TimeUnit.MILLISECONDS)

	public final fun certificatePinner (Lokhttp3/CertificatePinner;)Lokhttp3/OkHttpClient$Builder;
	public final fun connectTimeout (JLjava/util/concurrent/TimeUnit;)Lokhttp3/OkHttpClient$Builder;
	public final fun connectTimeout (Ljava/time/Duration;)Lokhttp3/OkHttpClient$Builder;
	public final fun connectTimeout-LRDsOJo (J)Lokhttp3/OkHttpClient$Builder;
	public final fun connectionPool (Lokhttp3/ConnectionPool;)Lokhttp3/OkHttpClient$Builder;

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client: OkHttpClient = OkHttpClient.Builder()
          .connectTimeout(5, TimeUnit.SECONDS)
          .writeTimeout(5, TimeUnit.SECONDS)
          .readTimeout(5, TimeUnit.SECONDS)
          .callTimeout(10, TimeUnit.SECONDS)
          .build()

      fun run() {

	public final fun certificatePinner (Lokhttp3/CertificatePinner;)Lokhttp3/OkHttpClient$Builder;
	public final fun connectTimeout (JLjava/util/concurrent/TimeUnit;)Lokhttp3/OkHttpClient$Builder;
	public final fun connectTimeout (Ljava/time/Duration;)Lokhttp3/OkHttpClient$Builder;
	public final fun connectTimeout-LRDsOJo (J)Lokhttp3/OkHttpClient$Builder;
	public final fun connectionPool (Lokhttp3/ConnectionPool;)Lokhttp3/OkHttpClient$Builder;

    server.enqueue(MockResponse(body = "success!"))
    client =
      client
        .newBuilder()
        .proxySelector(proxySelector)
        .readTimeout(Duration.ofMillis(100))
        .connectTimeout(Duration.ofMillis(100))
        .build()
    val request = Request.Builder().url("http://android.com/").build()
    executeSynchronously(request)
      .assertCode(200)
      .assertBody("success!")